2020 Audi S6 service and repair manual a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What's included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Prestige Sedan 4-Door
- Base Sedan 4-Door
- Premium Plus Sedan 4-Door
Engines covered
- 2.9L 2894CC 177Cu. In. V6 MILD HYBRID EV-GAS (MHEV) DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sed
A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a
Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner n
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A
Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely o
Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat m
A gateway control module shutdown will suddenly reduce engine power, increasing the risk of a crash.
Dealers will install a protective cover, free of charge. Owner notification letters are expected to
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image fro
A rearview image that does not display reduces the driver's view behind the vehicle, increasing the
Dealers will update the software, free of charge. Owner notification letters were mailed January 14,
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 RS6 Avant and RS7, 2020-2022 A6 Allroad, S6 Sedan, and S7, and 2019-2022 A6 Sedan and A7 vehicles. The fuel level sender may st
An inaccurate fuel reading may cause an engine stall due to lack of fuel, increasing the risk of a c
Dealers will install a new sensor in the tank, free of charge. Owner notification letters were mail
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air ba
An incorrectly manufactured air bag may not deploy properly, and could also eject plastic debris int
Audi will notify owners, and dealers will inspect the passenger air bag score line, and repair it as
This bulletin provides informaiotn when the starter battery is discharged or defective.
This bulletin provides repair instructions for the overhead view camera; gen 3.
The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors. Revised header. Adde
This bulletin provides information when there is noise from the backrest of the front seat.
This bulletin provides informaiton when the windscreen/rear window washer pump is not working (B126101, B126113).
This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: The ODIS Audi Brand update 2.41.1 is setting a ODS5003E
This bulletin is informational and contains information on the various warning lamps that may appear.
Showing the 8 most recent of 980 technical service bulletins on file with NHTSA.
While driving my 2020 Audi S6, the vehicle suddenly lost power and completely shut off in the middle of the road without warning. There were no warning lights or messages beforehand. I was unable to a
While driving my 2020 Audi S6, the vehicle suddenly lost power and completely shut off in the middle of the road without warning. There were no warning lights or messages beforehand. I was unable to a
While driving my 2020 Audi S6, the vehicle suddenly lost power and completely shut off in the middle of the road without warning. There were no warning lights or messages beforehand. I was unable to a
My 2020 Audi S6 has been undriveable since September 27, 2024 due to a backordered recall part (Gateway Control Module). Audi has failed to provide a repair timeframe, making my car unusable for over
My 2020 Audi S6 has been undriveable since September 27, 2024 due to a backordered recall part (Gateway Control Module). Audi has failed to provide a repair timeframe, making my car unusable for over
